<template>
  <header>header</header>
  <main v-bind="$attrs">main</main>
  <footer>footer</footer>
</template>

<script>
export default {
    name: 'Layout'
}
</script>

<style>
header ,
main , 
footer {
    margin: 15px ;
    border: 1px solid blue ;
}
.wrapper {
    font-size: 18px;
    font-weight: bold;
    color: blue ;
}
</style>